Home / 379,863.46-524,225.28-210,098.80

Finding the Fourth Proportional to 379,863.46, 524,225.28 and 210,098.80

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Solution

The fourth proportional to 379,863.46, 524,225.28 and 210,098.80 is: 289,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,863.46 : 524,225.28 = 210,098.80 : x
  2. Step 2: Convert to fraction form
    379,863.46/524,225.28 = 210,098.80/x
  3. Step 3: Cross multiply
    379,863.46x = 524,225.28 × 210,098.80
  4. Step 4: Simplify right side
    379,863.46x = 110,139,102,257.66
  5. Step 5: Solve for x
    x = 110,139,102,257.66/379,863.46
  6. Step 6: Final answer
    x = 289,943.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.